f(x)的定义域为
,对于定义域内的
满足
且当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd7b2599ef16c724d6db913974cfb19.png)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0c6f119137e1b6760d55956d99d963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd7b2599ef16c724d6db913974cfb19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(1)求f(0)的值;
(2)证明:在
上是减少的.
(3)若解不等式
.
更新时间:2017-10-17 10:55:30
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